2017 IRP Electric Supply-Side Resources - Energy Storage Units Li-Ion Battery 2-hr Nameplate Capacity MW 25 25 25 25 25 Winter Capacity MW Capacity Credit % Operating Reserves % 3% 3% 3% 3% 3% Capital Cost $/KW $1,514 $2,439 $2,324 $3,042 $2,400 O&M Fixed $/KW-yr $23.68 $36.49 $26.82 $23.40 $15.00 O&M Variable $/MWh $0.00 $0.00 $0.00 $0.00 $0.00 % 0.5% 0.5% 0.5% 0.5% 0.0% %/year 2.0% 2.0% 0.0% 0.0% 0.0% Operating Range % 10%-90% 10%-90% 0%-100% 0%-100% 0%-100% R/T Efficiency % 85% 85% 75% 75% 81% Hours 2 4 4 6 10 PSE PSE PSE PSE PNW 2016 $ Forced Outage Rate Degredation Discharge at Nominal Power Location Li-Ion Flow Battery Flow Battery Battery 4-hr 4-hr 6-hr Pumped Storage Fixed Transmission (3) $/KW-yr $0.00 $0.00 $0.00 $0.00 $21.48 Variable Transmission (4) $/MWh $0.00 $0.00 $0.00 $0.00 $0.33 2019 2019 2019 2019 2030 First Year Available (2) Economic Life Years 10 10 20 20 60 Greenfield Dev. & Const. Leadtime years 1 1 1 1 15
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